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224331229 is a prime number
BaseRepresentation
bin11010101111100…
…00010111011101
3120122010012121001
431113300113131
5424412044404
634132110301
75362532623
oct1527602735
9518105531
10224331229
111056a1411
1263165391
1337625c95
1421b17513
1514a637a4
hexd5f05dd

224331229 has 2 divisors, whose sum is σ = 224331230. Its totient is φ = 224331228.

The previous prime is 224331223. The next prime is 224331257. The reversal of 224331229 is 922133422.

It is an a-pointer prime, because the next prime (224331257) can be obtained adding 224331229 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169052004 + 55279225 = 13002^2 + 7435^2 .

It is a cyclic number.

It is not a de Polignac number, because 224331229 - 25 = 224331197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224331197 and 224331206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112165614 + 112165615.

It is an arithmetic number, because the mean of its divisors is an integer number (112165615).

Almost surely, 2224331229 is an apocalyptic number.

It is an amenable number.

224331229 is a deficient number, since it is larger than the sum of its proper divisors (1).

224331229 is an equidigital number, since it uses as much as digits as its factorization.

224331229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 224331229 is about 14977.6910436823. The cubic root of 224331229 is about 607.6169940695.

The spelling of 224331229 in words is "two hundred twenty-four million, three hundred thirty-one thousand, two hundred twenty-nine".